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@uiten tatie @auch @ffice IMPROVED NAIL MACHINE.

@ige tlgehule retract tu in these etters ntmt mth making pitt nf thesame.

TO ALL WI-IOM IT MAY CONCERN:

Be it known that I, JOHN M. ALLEN, of Cambridge, in the State -ofMassachusetts, have invented an Improved NailvMachine; and I do herebydez-lare the following to be a full and correct description of the same,reference being had to the accompanying drawings, in which- I Figure 1is a. perspective view of the machine.

Figure 2 is a'vertical section of the rollers.

Figure 3 is a. view of the nail cnt by the machine.

The same letter marks the same part wherever it occurs. Y y

The nature of this invention consists in the constrhction of a machinefor cutting nails Without waste-from plate or-sheet metal, in whichtheribs and recesses, which constitute the nail-cutting dies, are formedlongitu-l dinally on the surfaces of a pair of rollers, occupying thewhole of those surfaces, the rib on one roller corresponding to therecess on thc othcigso as to cut up the 'tvhole of the plate into nails;'th-e dies being arranged head to point, and a. recess for forming theheads ofthe nails eing left at either end of the rollers, all ashereinafter more specifically setforth.

To enable others 'to make and use my improved nail machine, I willproceed to describe its construction and operation. y l

In tht-.accompanying drawing marks a stout frame of iron, in which therollers are hung in the usual way; B marks a winch, which indicates thepoint oi' application ofthe power of any suitable prime jnover; C Cf arefriction or gear-wheels on theends of the journals of the rollers, andby which they are driven. D D are the rollers, on whose surfaces areformed' longitudinally, as shown, the ribs and recesses a a." b b',which constitute the nail-cutting dies, the recesses being of such depththat when the rollers come together, at any given point, there isjilstroom for a finished nail between the face of the rib and the bottom ofthe recess, as shown in iig. 2. The rollers are of steel or chillediron, and the edge.; Aof the ribs aremade sharp to act likeshears incuttingup the metal. A recess at either end of each roller is providedfor the heads of the nails, which are divided by chisels xed in the endrecesses for that purpose. A

The plate or sheet to be cut into nails is of the width equal to thelength ei' the rollers, and, being passed in between them, is, by theirrotation, cut into nails without waste. t

I am aware that nails have been formed in dies on the surfaces of a pairof rollers, as in Schueblys machine but the dies are arranged' inentirely a different manner, and do not operate on the same principle asin my machine. A

Having thus fully described my invention, what I-claim, and desire tosecure by Letters Patent, is- A machine for cutting nails, withoutwaste, from plate or sheet metal, in which-the dies are formedlongitudinally on the surfaces of therollers, in the manner and forthepurpose described.

.The above specification of my said invention signed and witnessed atBoston this 9th day of August, A. 111867.

i JOHN M. ALLEN.

Witnesses:

Guus. F. STANSBURY, WILLIAM C. CLEVELAND.

